Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb6 draw
3 Kb2 loss in 2 half-moves
4 Kcc2 loss in 2 half-moves
5 Kcc4 loss in 2 half-moves
6 Kcd2 loss in 2 half-moves
7 Kcd4 loss in 2 half-moves
8 Kdc2 loss in 2 half-moves
9 Kdc4 loss in 2 half-moves
10 Kdd2 loss in 2 half-moves
11 Kdd4 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke3 loss in 2 half-moves
14 Ke4 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Kb4 loss in 1 half-moves
21 Rb4 loss in 1 half-moves